TY  - BOOK
AU  - Ward,R.C.
TI  - Principles of hydrology / 
SN  - 0070940479
U1  - 551.49 WAR 
PY  - 1967///
CY  - London ; ,  New York [etc.] : , New York [etc.] : , New York [etc.] : , New York [etc.] : 
PB  - McGraw-Hill Pub. Co. 
KW  - Hydrology
N1  -  Includes bibliographical references
ER  -